Home / 1,938.41-2,675.07-1,054.27

Finding the Fourth Proportional to 1,938.41, 2,675.07 and 1,054.27

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Solution

The fourth proportional to 1,938.41, 2,675.07 and 1,054.27 is: 1,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.41 : 2,675.07 = 1,054.27 : x
  2. Step 2: Convert to fraction form
    1,938.41/2,675.07 = 1,054.27/x
  3. Step 3: Cross multiply
    1,938.41x = 2,675.07 × 1,054.27
  4. Step 4: Simplify right side
    1,938.41x = 2,820,253.95
  5. Step 5: Solve for x
    x = 2,820,253.95/1,938.41
  6. Step 6: Final answer
    x = 1,454.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.